The purpose of the present study was to assess the effect of a 21-day feeding of a diet with 1% inclusion of sodium humate (HNa) on the content of trace elements (copper, zinc, selenium, manganese, cobalt) in tissues of weaned piglets, their efficiency and biochemical indicators. Significantly lower content of manganese in livers (P < 0.01) and kidneys (P < 0.05) was detected in piglets fed the...

Oxidative damage results in protein modification and is observed in numerous diseases. Human serum albumin (HSA), the most abundant protein in the plasma, exerts important antioxidant activities to prevent oxidative damage. This paper focuses on the characterization of chemical changes in HSA that are induced by oxidative damage, their relevance to human pathology, and the most recent advances ...

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Cytoplasmic S4-S5 loops have been shown to be involved in fast inactivation of voltage-gated ion channels. We studied mutations in these loops and their potential cooperative effects in domains D3 (N1151C, A1152C, I1160C/A) and D4 (F1473C, L1482C/A) of the human skeletal muscle Na(+) channel alpha-subunit (hNa(v)1.4) using expression in tsA201 cells and the whole cell patch-clamp technique. All...

Wireless sensor networks (WSN) are spatially distributed micro sensor systems. WSN is a power constrained system, since nodes run on limited power batteries which shorten the life time of the system. Prolonging the life time depends on efficient communication protocol architecture. LEACH hierarchical homogeneous communication protocol which greatly minimizes the energy consumed in collecting an...

Phospholipid peroxidation generates a variety of aldehydes, which includes free saturated and unsaturated aldehydes, and aldehydes that remain esterified to the phosphoglyceride backbone - the so-called 'core' aldehydes. However, little is known in regarding the vascular metabolism of these aldehydes. To identify biochemical pathways that metabolize free aldehydes, we examined the metabolism of...

The synthesis, base-pairing properties and in vitro and in vivo characteristics of 5-methyl-isocytosine (isoC(Me) ) and isoguanine (isoG) nucleosides, incorporated in an HNA(h) (hexitol nucleic acid)-DNA(d) mosaic backbone, are described. The required h-isoG phosphoramidite was prepared by a selective deamination as a key step. As demonstrated by Tm measurements the hexitol sugar showed slightl...

Transfusion-related acute lung injury (TRALI) is the leading cause of transfusion-related death. The biologic processes contributing to TRALI are poorly understood. All blood products can cause TRALI, and no specific treatment is available. A "2-event model" has been proposed as the trigger. The first event may include surgery, trauma, or infection; the second involves the transfusion of antile...

The role of sodium channel closed-state fast inactivation in membrane excitability is not well understood. We compared open- and closed-state fast inactivation, and the gating charge immobilized during these transitions, in skeletal muscle channel hNa(V)1.4. A significant fraction of total charge movement and its immobilization occurred in the absence of channel opening. Simulated action potent...